Preenvelop
预包络
🗣️ 情景例句
People don't ask questions about a person's salary.
人们不问一些关于收入的问题。
Jerry listened to the adventure program on the radio.
杰瑞在收听收音机的冒险节目。
He could make out three men in a basket under it and one of them was holding a pair of binoculars.
他看清了气球下面有3个人呆在一只筐里，其中一个举着望远镜。